package com.example.p5;

/**
 * @author Lenovo
 */
public class StringConcatenate {
    public static void main(String[] args) {
        long startTime = System.currentTimeMillis();
        for (int i = 0; i < 5000; i++) {
            String result = "This is" + "testing the" + "difference" + "between" + "String" + "end" + "StringBuffer";
        }
        long endTime = System.currentTimeMillis();
        System.out.println("字符串连接"
                + " -使用 + 操作符： "+ (endTime - startTime)
                + " ms" );
        long startTime1 = System.currentTimeMillis();
        for (int i = 0; i < 5000; i++) {
            StringBuffer result = new StringBuffer("");
            result.append("This is");
            result.append("testing the");
            result.append("difference");
            result.append("between");
            result.append("String");
            result.append("end");
            result.append("StringBuffer");
        }
        long endTime1 = System.currentTimeMillis();
        System.out.println("字符串连接"
                + " -使用 StringBuffer： "+ (endTime1 - startTime1)
                + " ms" );
        }
    }

